first law
noun
: the most important principle
He teaches his students that balance is the first law of architecture.
Examples of first law in a Sentence
Recent Examples on the Web
In 2021, Texas passed one of the first laws in the country to allow parents to seek second medical opinions when they are accused of abusing their children.
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Dan Slepian, NBC news, 24 Dec. 2025
California made history in early October by enacting the first law in the United States to define and ultimately ban problematic ultraprocessed foods in public schools.
—Sandee Lamotte, CNN Money, 14 Dec. 2025
California recently passed the first law that requires frontier AI companies to disclose safety information around catastrophic risks, and New York is currently within spitting distance as well.
—Sasha Rogelberg, Fortune, 5 Dec. 2025
The Chula Vista Police Department is spending nearly $1 million to add 10 electric vehicles to its fleet, believed to be the first law enforcement agency in the region to embrace zero-emission patrol cars.
—Karen Kucher, San Diego Union-Tribune, 26 Nov. 2025
See All Example Sentences for first law
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Dan Slepian, NBC news, 24 Dec. 2025
California made history in early October by enacting the first law in the United States to define and ultimately ban problematic ultraprocessed foods in public schools.
—Sandee Lamotte, CNN Money, 14 Dec. 2025
California recently passed the first law that requires frontier AI companies to disclose safety information around catastrophic risks, and New York is currently within spitting distance as well.
—Sasha Rogelberg, Fortune, 5 Dec. 2025
The Chula Vista Police Department is spending nearly $1 million to add 10 electric vehicles to its fleet, believed to be the first law enforcement agency in the region to embrace zero-emission patrol cars.
—Karen Kucher, San Diego Union-Tribune, 26 Nov. 2025
See All Example Sentences for first law
Cite this Entry
“First law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20law. Accessed 7 Jan. 2026.
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